Youtube indicated problem is usually inlet valve or pressure sitch. Diagnosed by unplugging washer and turning water supply on. If it fills unplugged, inlet valve likely (stuck open when default is closed). If not, pressure switch likely. Mine suggested pressure switch. I ordered both parts as total cost about same as service call without parts. Ordered afternoon, shipment confirmed in about an hour and parts arrived next morning (great job Appliancepartspros.com) and ten minutes later, all good.